| Patent application number | Description | Published |
|---|
| 20090062838 | SPIDER DEVICE WITH OCCLUSIVE BARRIER - An occlusion device for occluding a body vessel. The occlusion device includes a first hub extending from a proximal end to a distal end and a tubular wall defining a lumen having a central axis. A plurality of arcuate legs are attached to the first hub and extend distally to a distal portion. The legs extend radially away from the central axis in an open configuration and extend substantially along the central axis in a closed configuration. A biocompatible material is attached to the plurality of legs to form an occlusive barrier when deployed within the body vessel. The biocompatible material either extends along and between each of the plurality of legs or it forms a disk attached to at least one leg. | 03-05-2009 |
| 20090062844 | SPIDER PFO CLOSURE DEVICE - A device for occluding septal defects or other bodily passageways including PFOs, includes an occluding body formed from a plurality of flexible outwardly radiating occluding wires connected to one or more biocompatible sheet materials. The occluding wires are joined together at proximal wire ends. Linking members connectively link the occluding body to a flexible, substantially linear anchor formed from at least one tube, coil, or bar. The anchor is configured for placement on one side of bodily passageway, whereby the longitudinal axis of at least one anchor extends across a transverse cross-section of the bodily passageway, anchoring the occluding body in place against the other side of a bodily passageway to close, occlude, or fill at least a lumenal portion of a bodily passageway. The anchor may include one or more grasping member(s) integrally formed or connected to the tube, coil, or bar for releasable attachment to an anchor engaging member, such as a biopsy forceps. In a further aspect, a closure device assembly includes a delivery catheter housing a collapsibly disposed closure device linked to a biopsy forceps. The biopsy forceps may be positioned in a locking catheter, which is configured to prevent inadvertent release of the closure device when held in a compressed state inside the delivery catheter. By positioning the catheter near a bodily passageway, such as a PFO, and disengaging the anchor engaging member from the grasping member, the closure device may be released so as to facilitate stable closure of the bodily passageway. | 03-05-2009 |
| 20090062845 | BARREL OCCLUSION DEVICE - An occlusion device for occluding a body vessel including a first hub having a tubular wall defining a lumen having a longitudinal axis and a second hub disposed distally along the longitudinal axis. A plurality of arcuate members extend between the first hub and the second hub. The arcuate members extend radially away from the longitudinal axis in an open configuration and extend substantially along the longitudinal axis in a closed configuration. A biocompatible material is disposed within a volume defined by the arcuate members to form an occlusive barrier when deployed within the body vessel. | 03-05-2009 |
| 20090216263 | OCCLUSION DEVICE - An occlusion device for occluding a body vessel is provided. The occlusion device has a tubular expandable body having an interior side and an exterior side. A restricting ring is located around the exterior side of the tubular expandable body and collapses a portion of the tubular expandable body. The occlusion device is configured to move between an expanded state for occlusion within a body vessel and a collapsed state for delivery or retrieval of the device, and the device is configured to open radially to define the expanded state and to collapse along the longitudinal axis to define the collapsed state. A delivery assembly for an occlusion device and a method of constructing an occlusion device are also disclosed. | 08-27-2009 |
| 20090247985 | EMBOLIC PARTICLE MIXING SYRINGE - A syringe device for agitating and delivering a liquid medication to a patient is provided. The device includes an injecting member, a first syringe, a second syringe and an accumulator. The first syringe is configured to provide the liquid medication to the device. The second syringe is configured to receive the liquid medication from the first syringe. The accumulator is biased to an empty position and cooperates with the second syringe to agitate the liquid medication back and forth between the second syringe and the accumulator. The second syringe is configured to move the liquid medication to the injecting member for patient delivery. | 10-01-2009 |
| 20090270908 | DEVICE AND METHOD FOR OCCLUSION OF FLUID FLOW THROUGH A BODY VESSEL - The present invention provides an improved occluding device and an improved method of occluding fluid through a body vessel. The occluding device comprises an inner coil. At least one outer coil is disposed about a portion of the inner coil. The outer coil has a pre-curled tension to facilitate the outer coil to be curled within the lumen of the body vessel when deployed. | 10-29-2009 |
| 20090312670 | Wire guide having a rib for coil attachment - The present invention generally relates to a medical surgical device and specifically a wire guide for percutaneous placement within a body cavity. In one embodiment, the wire guide includes an elongated core member having a proximal stop and a distal stop and a rib positioned between the proximal stop and the distal stop. A first coil is positioned over the elongated core member and extends between the proximal stop and the rib. A second coil is positioned over the elongated core member and extends between the rib and the distal stop. | 12-17-2009 |
| 20100030246 | Closure Device and Method For Occluding a Bodily Passageway - A device for occluding septal defects or other bodily passage-ways includes two anchors connected to an occluding body. The occluding body may be formed as a plug or tube of biocompatible material configured to occlude a bodily passageway. At least one of the anchors includes a grasping member in the form of a loop or suitably shaped structure, which is configured for releasable attachment to an anchor engaging member, such as a biopsy forceps. In a further aspect a closure device assembly includes a closure device linked to the biopsy forceps and collapsibly disposed in a catheter. By positioning the catheter near a bodily passageway, such as a PFO, and disengaging the forceps from the grasping member, the closure device may be released so as to facilitate stable closure of a septal opening, such as a PFO. | 02-04-2010 |
| 20100030259 | Closure Device and Method of Closing a Bodily Opening - In one embodiment, a device for closing or occluding ASDs and PFOs, or other bodily passageways, includes a circumferential frame, a sheet of biocompatible material attached to the frame, and at least one anchor attached to the sheet of biocompatible material. In another embodiment, the closure device includes a circumferential frame, at least one crossbar extending across and attached to the frame, at least one anchor connected to at least one crossbar and at least one sheet of biocompatible material (such as ECM material) attached to the frame. The anchor includes at least one grasping member having a structure, such as a wired loop, which is configured for releasable attachment to a delivery release member, which facilitates delivery of a closure device collapsibly disposed in a delivery catheter. Alternatively, one or more anchor end pairs may be connected to a delivery bar enhancing delivery and retrieval of the device. | 02-04-2010 |
| 20100076543 | Multi-strand helical stent - A stent including a stent wire comprising a plurality of filaments twisted into a bundle having a helix, the stent wire bent into a pattern having a plurality of substantially straight wire sections separated by a plurality of bends. The pattern of the stent wire is spirally wound about a central axis in the same direction as the helix formed by the plurality of filaments. Each of the filaments in a bend have a cylindrical cross-section where at least one of the plurality of filaments is displaced and spaced from an immediately adjacent filament in the bend. | 03-25-2010 |
| 20100087780 | Wire Guide having Variable Flexibility and Method of Use Thereof - The present invention generally relates to a medical surgical device and specifically a wire guide for percutaneous placement within a body lumen. The flexibility of the wire guide may be varied while it is in place within the body lumen. One embodiment of the wire guide includes and a distal tip positioned at the distal end of the coil. A plurality of core members are positioned side by side within the lumen. Methods of using the wire guide are also provided. | 04-08-2010 |
| 20100121373 | REMOVABLE VENA CAVA FILTER WITH IMPROVED LEG - A removable filter for capturing thrombi in a blood vessel. The filter has primary struts with first ends attached together along a longitudinal axis. Each primary strut has a body member extending from its first end along the longitudinal axis to an anchoring hook. Each primary strut is configured to move relative to the longitudinal axis between an expanded state and a collapsed state. At least one primary strut has a resistant portion next to the anchoring hook. The resistant portion is configured to contact the blood vessel in the expanded state. The filter also has secondary struts. The secondary struts have proximal ends attached together along the longitudinal axis and distal ends located radially from the longitudinal axis in the expanded state. The secondary struts are configured to engage the blood vessel to centralize the filter in the expanded state in the blood vessel. | 05-13-2010 |
| 20100185228 | VARIABLE STIFFNESS OCCLUDING DEVICE - An occluding device designed for occlusion of fluid flow through a body cavity. The device comprises a coil and fibers attached to the coil. The coil has a proximal and distal portion, with variable rigidity along the length of the coil. The distal portion has greater rigidity than the proximal portion. The fibers extend from the coil at a length. | 07-22-2010 |
| 20110022003 | DETACHABLE EMBOLIZATION COIL - An embolization delivery system and a method of using said system by a physician to deliver an embolization coil into the vasculature of a patient is disclosed. The embolization delivery system comprises a delivery tube in the form of a catheter or wire guide that may be reversibly inserted, a delivery catheter placed into the vasculature of a patient, a connector disposed around and permanently coupled to the delivery tube, a detachable embolization coil disposed within a portion of the connector and held in place by compressive forces exerted by the connector, and a release mechanism for detaching the embolization coil. The release mechanism includes a wire with one end being coupled to the catheter, a middle portion being in contact with both the connector and coil, and a second end that may be manipulated in a predetermined manner by the attending physician. The manipulation of the wire splits part of the connector, thereby, reducing the compressive forces exerted by the connector onto the embolization coil and allowing the coil to detach from the embolization delivery system. | 01-27-2011 |
| 20110071495 | SHAPE MEMORY EMBOLIC PARTICLES HAVING A HIGH PACKING FRACTION - An embolization system having a high packing fraction of embolic particles for use in occluding the flow of body fluid through a body vessel and a method for using such an embolization system are described. The embolic particles, which are made from a shape memory material, exhibit both a collapsed state and an expanded state. The embolic particles exhibit at least a bimodal particle diameter distribution in the collapsed state and expanded state with a particle packing fraction of at least about 0.85. The mixture of embolic particles is delivered into the body vessel in the collapsed state. The particle packing fraction of the mixture in its expanded state causes the occlusion of the flow of body fluid through the body vessel. | 03-24-2011 |
